SouthlandCast
- Michael Cudlitz as John Cooper
- Benjamin McKenzie as Ben Sherman
- Regina King as Detective Lydia Adams
- Tom Everett Scott as Detective Russell Clarke
- Michael McGrady as Detective Daniel ``Sal'' Salinger
- Kevin Alejandro as Detective Nate Moretta
- Shawn Hatosy as Detective Sammy Bryant
- Arija Bareikis as Patrol Officer Chickie Brown
- C. Thomas Howell as Officer Billy Dewey
- Jenny Gago as Detective Josie Ochoa
